package cn.feng.thinkInJava.a2_1_字符串.strings.a13_05_02;

//: strings/Receipt.java
import java.util.*;

/**格式化说明符
 * @author fengyu
 * @date  2015年8月8日
 */
public class Receipt
{
	private double total = 0;
	private Formatter f = new Formatter(System.out);
	
	public void printTitle()
	{
		f.format("%-15s %5s %10s\n", "Item", "Qty", "Price");
		f.format("%-15s %5s %10s\n", "----", "---", "-----");
	}
	
	public void print(String name, int qty, double price)
	{
		f.format("%-15.15s %5d %10.2f\n", name, qty, price);
		total += price;
	}
	
	public void printTotal()
	{
		f.format("%-15s %5s %10.2f\n", "Tax", "", total * 0.06);
		f.format("%-15s %5s %10s\n", "", "", "-----");
		f.format("%-15s %5s %10.2f\n", "Total", "", total * 1.06);
	}
	
	public static void main(String[] args)
	{
		Receipt receipt = new Receipt();
		receipt.printTitle();
		receipt.print("Jack's Magic Beans", 4, 4.25);
		receipt.print("Princess Peas", 3, 5.1);
		receipt.print("Three Bears Porridge", 1, 14.29);
		receipt.printTotal();
	}
} /*
 * Output: Item Qty Price ---- --- ----- Jack's Magic Be 4 4.25 Princess Peas 3
 * 5.10 Three Bears Por 1 14.29 Tax 1.42 ----- Total 25.06
 */// :~
